Dropbox Raises About $250 Million at $10 Billion Valuation — BlackRock Is Leading the Deal Alongside Previous Backers — Dropbox Inc. has closed on about $250 million in a funding round that values the online-storage provider at close to $10 billion, according to two people familiar with the deal.

Building an open source Nest — Earlier this week, Google bought Nest, a connected devices company, for $3.2 billion. This might seem like an ungodly sum for a company that makes thermostats and smoke detectors, but it makes absolute sense. Nest's products are beautifully designed …

Sprint Wifi Calling poised to debut on two Samsung phones — Calling requires software update but no monthly fee; only supported in the U.S. — T-Mobile may soon no longer be the only major carrier offering first-party Wifi calling, as Sprint apparently is preparing to launch a system of its own.

VP Of Product Michael Sippey Is Leaving Twitter — Twitter's Vice President of Product Michael Sippey just announced that he's stepping into an advisory role at the company, then moving on to, well, something else. — In a company email that Sippey also posted on his blog, he said he realized that …

Path launches for Windows Phone as a public beta — Path today quietly launched an app for Windows Phone, but there's a small catch: it's a public beta. Nevertheless, the social network has arrived on Microsoft's mobile platform and you can grab the app now directly from the Windows Phone Store.